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Author Question: The element first found in the Sun's spectrum, then on Earth 30 years later, is (Read 742 times)

plus1

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on: Aug 28, 2013
The element first found in the Sun's spectrum, then on Earth 30 years later, is
A) hydrogen.
B) helium
C) solarium.
D) technicum.
E) aluminum.


notis

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Reply #1 on: Aug 28, 2013
I know the answer! It's B.


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